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Engine Control Module: Service and Repair



Replacing Control Unit (Digital Motor Electronics) (M62, M54)

Connect DIS Tester or MoDiC.

CAUTION: Follow instructions for removing and installing electronic control units.

Read fault memory.
Switch off ignition.







Detach sealing strips (1).







Turn Tommy bar through approx. 90 degrees.
Remove cover.







Release lock (1).
Remove air funnel (2) towards top.







Release screws.


Remove cover (1) on control unit box.

Installation:







Insert fixtures (1) of cover for control unit box in openings (2).







Disconnect plug connections (1).
Unlock DME control unit (2) and remove.
For subsequent procedure, follow instructions of DIS Tester.

Code control unit.
Program control unit.

NOTE:
Interrogate fault memory of DME control module.
Check stored fault messages.
Rectify faults.
Then clear fault memory.